Jenkins is great at telling me when there are updates available for 
Jenkins's core or when there are security vulnerabilities in plug-ins. This 
it does with a "nice-fat-red" number of vulnerabilities on the top of the 
web page when I am logged in. And when one clicks on that, you get a nice 
synopsis such as:


(Yes, I've already updated my Jenkins instance to patch these issues, post 

However, I cannot find any system setting or plug-in which will notify me 
(presumably via email) when there is a core or plug-in update which is 
available to mitigate a vulnerability, or even when there are ANY updates 
to apply.

I have used the CLI (via SSH) to find a way to list the plug-ins with 
updates available, as in this very hackish approach which relies on the 
formatting of the list-plugins command:

$ ssh -l USER -p PORT JENKINS.domain list-plugins | egrep '\([0-9.]+\)' | 
ant                         Ant Plugin                      1.9 (1.10)
antisamy-markup-formatter   OWASP Markup Formatter Plugin   1.5 (1.6)
branch-api                  Branch API Plugin               2.5.3 (2.5.4)

But I have not found any way via the CLI to:

   - distinguish between security updates and general/feature updates
   - identify core updates

I've also looked at the jenkins log (/var/lib/jenkins/jenkins.log on 
Ubuntu) to no avail.

*Specific question*: Is there a setting (and I've looked extensively) or 
plug-in (or even CLI method) which will provide the warnings / 
vulnerabilities without being forced to login to Jenkins' web interface and 
look manually?

Yes, I'm subscribed to the "Security advisories" mailing list 
<!forum/jenkinsci-advisories>, and while 
it provides indications of core updates w.r.t. vulnerabilities, it's not as 
helpful for plug-ins - that is, not only would I have to look at all the 
plug-ins that are listed as being patched, but it doesn't, AFAICT, tell me 
when there are unpatched vulnerabilities.

*General question*: How should I go about ensuring that my Jenkins 
installation is automatically kept up-to-date, including all plug-ins? 
Ideally this would be with respect to security vulnerabilities only, 
leaving feature updates aside.

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